Mouse Posted October 15, 2012 Share Posted October 15, 2012 Hi Just had to fit a 300tdi heated rear window into my 200tdi Disco. The problem is that on the 200 both the wires are on the same side (near the hinges) and one spade connector is larger than the other but on the 300 one wire is on the hinge side and the other is on the handle side, also both spades are the same size, can anyone tell me what side is what on a 300 i.e live & negative as i dont want to wire it in wrong and shatter another glass. Thank you Mouse. Quote Link to comment Share on other sites More sharing options...
teabag Posted October 16, 2012 Share Posted October 16, 2012 Connection polaraty on the screen doesn't matter. Quote Link to comment Share on other sites More sharing options...
Mouse Posted October 18, 2012 Author Share Posted October 18, 2012 Thanks for the reply, but in the disco 200tdi manual it seems to shows one wire as live and the other as earth which is why i asked. it also seems that the earth comes from the heated mirrors which i dont think i have unless they come on with the rear window, the wiring also appears to be connected to the indicators ????. Mouse. Quote Link to comment Share on other sites More sharing options...
teabag Posted October 21, 2012 Share Posted October 21, 2012 That correct one heating element terminal will have the switched 12v supply and other terminal is the earth, it's you choice which. Earth connections are common that's why wiring diagrams show them connected, some will use the same vehicle terminal point. Quote Link to comment Share on other sites More sharing options...
Mouse Posted October 24, 2012 Author Share Posted October 24, 2012 Thanks for clearing that up . just wish landrover would make things clearer sometimes as in the wiring diagram it shows i have heated mirrors, maybe not on my version. Mouse. Quote Link to comment Share on other sites More sharing options...
teabag Posted October 27, 2012 Share Posted October 27, 2012 Thanks for clearing that up . just wish landrover would make things clearer sometimes as in the wiring diagram it shows i have heated mirrors, maybe not on my version. Mouse. if you can adjust them electrically then they will have heat elements behind the mirror, there's no indipendant switch they just heat when the rear window heats , . Quote Link to comment Share on other sites More sharing options...
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